diff --git a/tests/libtest/lib502.c b/tests/libtest/lib502.c
index ac298f0fc..0a852c998 100644
--- a/tests/libtest/lib502.c
+++ b/tests/libtest/lib502.c
@@ -28,6 +28,6 @@ int test(char *URL)
   curl_easy_cleanup(c);
   curl_multi_cleanup(m);
 
-  return 0;
+  return res;
 }